作者查詢 / emptie

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作者 emptie 在 PTT [ Math ] 看板的留言(推文), 共270則
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Re: [中學] 110學測多選第13題
[ Math ]37 留言, 推噓總分: +11
作者: FAlin - 發表於 2021/01/24 22:53(3年前)
1Femptie: 這應該是計算量比較少的思路01/24 23:26
2Femptie: 先假設那些點存在再看能不能構建一個三次式出來01/24 23:26
[中學] 三角函數求極值
[ Math ]5 留言, 推噓總分: +2
作者: kku6869 - 發表於 2021/01/20 09:37(3年前)
1Femptie: https://i.imgur.com/r8Pclae.jpg01/20 10:49
2Femptie: 臨時用手機編輯的01/20 10:49
3Femptie: 最大值應該是對的 https://i.imgur.com/L9o4NJX.j01/20 10:50
4Femptie: pg01/20 10:50
5Femptie: 啊 那邊應該是t的最大值不是最小值 不過答案沒錯01/20 10:57
[中學] 要如何理解圓的切線公式?
[ Math ]14 留言, 推噓總分: +5
作者: ruin32 - 發表於 2021/01/20 07:51(3年前)
5Femptie: 切線的向量會垂直圓心到切點的向量去01/20 10:01
6Femptie: 思考,應該跟公式差不多吧01/20 10:02
[中學] 請問1=2嗎
[ Math ]12 留言, 推噓總分: +3
作者: china2025 - 發表於 2020/06/14 15:38(3年前)
1Femptie: 你不能兩邊同時除以a-b 這項是006/14 15:39
[中學] 數論題目
[ Math ]6 留言, 推噓總分: +3
作者: Intercome - 發表於 2019/10/16 09:21(4年前)
5Femptie: 就算只限制p爲整數好像也沒其他解10/20 20:45
6Femptie: 除了(1,1)10/20 20:53